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(11)

EP 4 335 257 A1

(12)

(43) Date of publication: 13.03.2024 Bulletin 2024/11 (21) Application number: 22720133.2 (22) Date of filing: 06.04.2022

(51) International Patent Classification (IPC):  H05K 7/20(2006.01) (52) Cooperative Patent Classification (CPC): H05K 7/20809; H05K 7/203 (86) International application number: PCT/US2022/023572 (87) International publication number: WO 2022/235368 (10.11.2022 Gazette 2022/45)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 03.05.2021 US 202163183259 P 28.06.2021 US 202117361064 (71) Applicant: Microsoft Technology Licensing, LLC Redmond, WA 98052-6399 (US)

(72) Inventors: KELLEY, Douglas Patrick Redmond, Washington 98052-6399 (US) SCHUBERT, Alexis Grace Redmond, Washington 98052-6399 (US) RANTA, Craig Steven Redmond, Washington 98052-6399 (US) OSEEN-SENDA, Kathryn Redmond, Washington 98052-6399 (US) TRIEU, Dennis Redmond, Washington 98052-6399 (US) SHAW, Mark Edward Redmond, Washington 98052-6399 (US) (74) Representative: CMS Cameron McKenna Nabarro Olswang LLP  Cannon Place 78 Cannon Street London EC4N 6AF London EC4N 6AF (GB)